Application US20190359818

30 parts by weight or more and 60 parts by weight or less of (A) a polylactic acid;

25 parts by weight or more and 45 parts by weight or less of (B) a poly-3-hydroxyalkanoate; and

5 parts by weight or more and 25 parts by weight or less of (C) an aliphatic-aromatic polyester,

based on 100 parts by weight in total of (A) the polylactic acid, (B) the poly-3-hydroxyalkanoate, and (C) the aliphatic-aromatic polyester,

wherein the biodegradable polyester resin composition further comprises, relative to 100 parts by weight in total of (A) the polylactic acid, (B) the poly-3-hydroxyalkanoate, and (C) tire aliphatic-aromatic polyester;

0.05 part by weight or more and 20 parts by weight or less of (D) pentaerythritol;

10 parts by weight or more and 40 parts by weight or less of (E) a silicate; and

0 part by weight or more and 3 parts by weight or less of (F) a compatibilizer having an epoxy group.